Device and method for performing handoff in mobile communication

Details Device and method for performing handoff in mobile communication Device and method for performing handoff in mobile communication

1998-12-04

2000-11-28

Kuntz, Curtis A.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455515, 455 381, 455 382, 455 383, 370280, 370294, 370331, 370337, 370347, 370503, 370510, 370528, H04Q 720

Patent

active

061546526

ABSTRACT:
A mobile communication system transmitting data in frame unit includes a base station apparatus and a terminal apparatus. The transmitter has a controller having consecutive first and second frames each divided into a first interval and a second interval following the first interval. In a handoff mode, the controller transmits respective frame data in the first interval of the first frame and the second interval of the second frame and stops transmission of the data in the second interval of the first frame and the first interval of the second frame. Further, the terminal apparatus (i.e., mobile station) includes a receiver for processing received data, a handoff determiner for determining a handoff target base station by analyzing a strength of the received signal, and a controller applying to the receiver a signal transmitted from a present base station in the first interval of the first frame and the second interval of the second frame and applying to the handoff determiner signals transmitted from other base stations in the second interval of the first frame and the first interval of the second frame.

REFERENCES:
patent: 5732076 (1998-03-01), Ketseoglou et al.
patent: 5818829 (1998-10-01), Raith et al.
patent: 5862452 (1999-01-01), Cudak et al.
patent: 5951709 (1999-09-01), Tanaka
patent: 5987010 (1999-11-01), Schnizlein
patent: 5995515 (1999-11-01), Suzuki
patent: 6049538 (2000-04-01), Scott

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